Is 1386 a deficient number and what is its deficiency?

Is 1386 a deficient number?

Here we will explain and calculate if 1386 is a deficient number and its deficiency if applicable.

1386 is a deficient number if the sum of its proper divisors is less than 1386.

The sum of its proper divisors is calculated as follows: 1 + 2 + 3 + 6 + 7 + 9 + 11 + 14 + 18 + 21 + 22 + 33 + 42 + 63 + 66 + 77 + 99 + 126 + 154 + 198 + 231 + 462 + 693 = 2358.

2358 is not less than 1386. Therefore, 1386 is not a deficient number.

The deficiency of 1386 is 1386 minus the sum of its proper divisors. Thus, the deficiency of 1386 is 1386 - 2358 = No Deficiency

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